Question

if alpha+beta = alpha beta is zero of kx²-2x+k find k​

Answer 1

Answer:

2/3

Step-by-step explanation:

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If α,β are the zeros of kx

2

−2x+3k such that α+β=αβ then k=?

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Answer

Correct option is

C

3

2

Given α,β are the zeros of kx

2

−2x+3k

As we know that

Sum and product of zeros of ax

2

+bx+c is −

a

b

,

a

c

respectively

Given α+β=αβ

⟹

k

2

=

k

3k

⟹

k

2

=3

⟹k=

3

2